Aerospace : Fastening Systems : Blind Rivets : MLS UNIMATIC® Blind Rivets (NAS1900 Series) : Technical Information

Technical Information

Test Reports
  • 77-904.3-25 Comparative test data NAS1921.
  • 78-902-37 UNIMATIC® Qualification test results.
  • 78-902-51 UNIMATIC® Lap shear fatigue evaluation.
  • 87-902-149 NAS1921 vibration test comparison to MBC.
  • 87-902-149 NAS1900 leak test.
  • TCT-65-1 A-286 Blind Rivet elevated temperature tests.
  • TCT-93-5 NAS1900 Blind Rivet vapor leak test.
  • TCT-94-1 NAS1921 Head shaving test.

Installation Sequence - Double Action ("-" code)
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Installation Sequence - UNIMATIC® Single Action ("S" code)
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Installation Sequence –Single Action with Drive Washer (“U” code)
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Identification and Installation Inspection
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Fastener Removal Procedure
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Related Documents
How to Order [210KB]




Process Manual [1KB]




Sales Brochure [261KB]


Related Information


Engineering Standards


Mechanical Properties


Installed Weights


MIL-HDBK-5 Data

Contact Information
Americas & Asia/Pacific
Customer Support
Alcoa Fastening Systems Aerospace
800.992.4444
805-527-0900

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Technical Support
Alcoa Fastening Systems Aerospace
310.784.6409
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Europe Customer / Technical Support
Alcoa Fastening Systems Aerospace
+49 8251 8757-0
+49 8251 1652

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